package com.how2java;

import static org.quartz.JobBuilder.newJob;
import static org.quartz.SimpleScheduleBuilder.simpleSchedule;
import static org.quartz.TriggerBuilder.newTrigger;

import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.Trigger;
import org.quartz.impl.StdSchedulerFactory;

public class TestQuartz {
	public static void main(String[] args) throws Exception{
            //创建调度器
            Scheduler scheduler = StdSchedulerFactory.getDefaultScheduler();

            //定义一个触发器
            Trigger trigger = newTrigger().withIdentity("trigger1", "group1") //定义名称和所属的组
                .startNow()
                .withSchedule(simpleSchedule() 
                    .withIntervalInSeconds(2) //每隔2秒执行一次
                    .withRepeatCount(10)) //总共执行11次(第一次执行不基数)
                .build();

            //定义一个JobDetail
            JobDetail job = newJob(MailJob.class) //指定干活的类MailJob
                .withIdentity("mailjob1", "mailgroup") //定义任务名称和分组
                .usingJobData("email", "[email protected]") //定义属性
                .build();
            
            //调度加入这个job
            scheduler.scheduleJob(job, trigger);

            //启动
            scheduler.start();
            
            //等待20秒，让前面的任务都执行完了之后，再关闭调度器
            Thread.sleep(20000);
            scheduler.shutdown(true);
	}
}

package com.how2java;

import java.text.SimpleDateFormat;
import java.util.Date;

import org.quartz.Job;
import org.quartz.JobDetail;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;

public class MailJob implements Job {
    public void execute(JobExecutionContext context) throws JobExecutionException {
        JobDetail detail = context.getJobDetail();
        String email = detail.getJobDataMap().getString("email");
        
        SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
        String now = sdf.format(new  Date());
        
        System.out.printf("给邮件地址 %s 发出了一封定时邮件, 当前时间是: %s%n" ,email, now);
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">

  <appender name="default" class="org.apache.log4j.ConsoleAppender">
    <param name="target" value="System.out"/>
    <layout class="org.apache.log4j.PatternLayout">
      <param name="ConversionPattern" value="[%p] %d{dd MMM hh:mm:ss.SSS aa} %t [%c]%n%m%n%n"/>
    </layout>
  </appender>

 <logger name="com.how2java">
   <level value="error" />
 </logger>

  <root>
    <level value="error" />
    <appender-ref ref="default" />
  </root>

</log4j:configuration>